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Thanks for all the input on the system so far. Alot of help!!!
One more question. If I get 1" FPT's on the control valves, I assume I need a nipple that is 1" barb and 1" MPT to connect to my 1" polypipe.
Where do I get this type of nipple? Is this correct or am I all wrong.

Everything sounds great! Deffinatly go with the Irritrol 2400T valve, and the SRC controller... the pro - c is a more updated controller with moudalulatry (i dont think thats spelt right) so it can now expand to 15 zones. the proc is an expandable controller...your choice.....everything else is great!

I'm starting to get confused. Comments from the forum say my designed system will work and others say it will not work. 38-40 psi before the Wilkins 1" RPZ as read through a 1/2" hose bib. Hope my guage is correct. Don't really know if it will rob 10-12 psi as stated in the wilkins literature. That leaves 26-30 psi to drive the rotor heads (5) 150 feet away in 1" poly pipe. Any thoughts?
I am going to tee off my 1" main after the meter and go directly outside with 1" copper (~ 40ft). Will that help my situation?
Thanks